Hydrocarbons - Result Question 43
####45. When hydrochloric acid gas is treated with propene in presence of benzoyl peroxide, it gives
[1993]
(a) 2-Chloropropane
(b) Allyl chloride
(c) No reaction
(d) n-Propyl chloride.
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Solution:
- (a) Addition of $HCl$ to propene even in the presence of benzoyl peroxide occurs according to Markovnikov’s rule :
$CH_3-CH=CH_2 \xrightarrow[(C_6 H_5 CO)_2 O_2]{HCl}$
$CH_3-CHCl-CH_3$
Peroxide effect is observed only in case of $HBr$.
